accel/ivpu: Add initial support for VPU 4

Add support VPU 4 - new generation of VPU IP with various
hardware design improvements. From driver point of view, it differs
in register set, initialization process and MMU memory ranges.

Co-developed-by: Andrzej Kacprowski <[email protected]>
Signed-off-by: Andrzej Kacprowski <[email protected]>
Co-developed-by: Krystian Pradzynski <[email protected]>
Signed-off-by: Krystian Pradzynski <[email protected]>
Co-developed-by: Karol Wachowski <[email protected]>
Signed-off-by: Karol Wachowski <[email protected]>
Reviewed-by: Jacek Lawrynowicz <[email protected]>
Signed-off-by: Stanislaw Gruszka <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: sgruszka

drivers/accel/ivpu/Makefile

@@ -8,6 +8,7 @@ intel_vpu-y := \
 	ivpu_fw_log.o \
 	ivpu_gem.o \
 	ivpu_hw_37xx.o \
+	ivpu_hw_40xx.o \
 	ivpu_ipc.o \
 	ivpu_job.o \
 	ivpu_jsm_msg.o \

drivers/accel/ivpu/ivpu_drv.c

@@ -501,8 +501,13 @@ static int ivpu_dev_init(struct ivpu_device *vdev)
 	if (!vdev->pm)
 		return -ENOMEM;
 
-	vdev->hw->ops = &ivpu_hw_37xx_ops;
-	vdev->hw->dma_bits = 38;
+	if (ivpu_hw_gen(vdev) >= IVPU_HW_40XX) {
+		vdev->hw->ops = &ivpu_hw_40xx_ops;
+		vdev->hw->dma_bits = 48;
+	} else {
+		vdev->hw->ops = &ivpu_hw_37xx_ops;
+		vdev->hw->dma_bits = 38;
+	}
 
 	vdev->platform = IVPU_PLATFORM_INVALID;
 	vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID;
@@ -629,6 +634,7 @@ static void ivpu_dev_fini(struct ivpu_device *vdev)
 
 static struct pci_device_id ivpu_pci_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_MTL) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_LNL) },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, ivpu_pci_ids);

drivers/accel/ivpu/ivpu_drv.h

@@ -23,8 +23,10 @@
 #define DRIVER_DATE "20230117"
 
 #define PCI_DEVICE_ID_MTL   0x7d1d
+#define PCI_DEVICE_ID_LNL   0x643e
 
 #define IVPU_HW_37XX	37
+#define IVPU_HW_40XX	40
 
 #define IVPU_GLOBAL_CONTEXT_MMU_SSID 0
 /* SSID 1 is used by the VPU to represent invalid context */
@@ -78,6 +80,7 @@ struct ivpu_wa_table {
 	bool clear_runtime_mem;
 	bool d3hot_after_power_off;
 	bool interrupt_clear_with_0;
+	bool disable_clock_relinquish;
 };
 
 struct ivpu_hw_info;
@@ -163,6 +166,8 @@ static inline int ivpu_hw_gen(struct ivpu_device *vdev)
 	switch (ivpu_device_id(vdev)) {
 	case PCI_DEVICE_ID_MTL:
 		return IVPU_HW_37XX;
+	case PCI_DEVICE_ID_LNL:
+		return IVPU_HW_40XX;
 	default:
 		ivpu_err(vdev, "Unknown VPU device\n");
 		return 0;

drivers/accel/ivpu/ivpu_fw.c

@@ -51,6 +51,8 @@ static struct {
 	{ IVPU_HW_37XX, "vpu_37xx.bin" },
 	{ IVPU_HW_37XX, "mtl_vpu.bin" },
 	{ IVPU_HW_37XX, "intel/vpu/vpu_37xx_v0.0.bin" },
+	{ IVPU_HW_40XX, "vpu_40xx.bin" },
+	{ IVPU_HW_40XX, "intel/vpu/vpu_40xx_v0.0.bin" },
 };
 
 static int ivpu_fw_request(struct ivpu_device *vdev)

drivers/accel/ivpu/ivpu_hw.h

@@ -60,6 +60,7 @@ struct ivpu_hw_info {
 };
 
 extern const struct ivpu_hw_ops ivpu_hw_37xx_ops;
+extern const struct ivpu_hw_ops ivpu_hw_40xx_ops;
 
 static inline int ivpu_hw_info_init(struct ivpu_device *vdev)
 {